.responsive {
width: 100%;
height: auto;
}
img.resize{
width: 320px;
height: 320px;
border: 0;
}
img:hover.resize{
width: 1280px;
height: 1280px;
border: 0;
}
div.frame1 {
border:1px solid navy;
padding:5px;
border-radius:50px;
background-color:#;
}

ปี2565

Best paper of oral presentation